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String Concatenation using '+' operator

... code: string x = "hello"; string y = "there"; string z = "chaps"; string all = x + y + z; actually gets compiled as: string x = "hello"; string y = "there"; string z = "chaps"; string all = string.Concat(x, y, z); (Gah - intervening edit removed other bits accidentally.) The benefit of the C...
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How can I restart a Java application?

...new ProcessBuilder(command); builder.start(); System.exit(0); } Basically it does the following: Find the java executable (I used the java binary here, but that depends on your requirements) Find the application (a jar in my case, using the MyClassInTheJar class to find the jar location itse...
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ANTLR: Is there a simple example?

...r, and evaluator using ANTLR4. You first create a grammar. Below is a small grammar that you can use to evaluate expressions that are built using the 4 basic math operators: +, -, * and /. You can also group expressions using parenthesis. Note that this grammar is just a very basic one: it does ...
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Undo a git stash

...ll not reset what is in the staging directory, so you will have to restage all that (which can be annoying if you had just done a complex git add -p – Nick Jan 2 '13 at 17:31 ...
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C++ equivalent of StringBuffer/StringBuilder?

...f after profiling your code you discover this makes an improvement. I normally use either std::string or std::stringstream. I have never had any problems with these. I would normally reserve some room first if I know the rough size of the string in advance. I have seen other people make their ow...
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How do I find out which computer is the domain controller in Windows programmatically?

...dows, type the following commande: nltest /dclist:{domainname} It lists all domain controllers in particular domain share | improve this answer | follow | ...
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What ports does RabbitMQ use?

What ports does RabbitMQ Server use or need to have open on the firewall for a cluster of nodes? 4 Answers ...
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List of ANSI color escape sequences

...cape sequences you're looking for are the Select Graphic Rendition subset. All of these have the form \033[XXXm where XXX is a series of semicolon-separated parameters. To say, make text red, bold, and underlined (we'll discuss many other options below) in C you might write: printf("\033[31;1;4mHel...
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CSS3 background image transition

...sfiddle.net/eD2zL/2/ (differences between are just a few selectors) Basically, you need to hide "normal" state and show their "hover" when you hover it and that's it, I hope somebody find it useful. share | ...
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Is there a conditional ternary operator in VB.NET?

..., cat, dog) [EDIT] Prior to 2008 it was IIf, which worked almost identically to the If operator described Above. Example: Dim foo as String = IIf(bar = buz, cat, dog) share | improve this answ...